Sienna Miller Wore an Affordable H&M Dress

last updated 17 June 2018

There are tons of summer trends you can try this season, but not all of them are attainable for less than £50. Sienna Miller's newest outfit, however, definitely is. She stepped out in New York City wearing H&M's Dress With Smocking, which rings in at an affordable £30. How can you beat that? But word to the wise: The dress is already selling out in multiple sizes.

The midi length is super practical for running around the city while the smocking detail makes it look more expensive than it really is. Plus, blue gingham dresses are a timeless trend that you can rely on for infinite summers to come—and brands like Mango and Zara are here to help you test-drive the trend ASAP. Scroll down to see how Miller styled her dress and shop similar styles.

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On Sienna Miller: H&M Dress With Smocking (£30)

H&M

Dress With Smocking

Available in sizes 6 to 24.

Shop More Blue Gingham Dresses

Mango

Vichy Check Dress

Zara

Sequined Gingham Dress

Raoul

Wrap-Effect Gingham Cotton-Poplin Minidress

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Erin got her start as a Who What Wear intern in 2011—back when the site only published a single story per day. (We have since increased that number twentyfold.) She graduated magna cum laude from USC and lives in Los Angeles. In college, she also interned at Refinery29, where she was promoted to editorial assistant and then assistant editor. After nearly three years at R29, she came back to WWW in 2015, where she is now the Associate Director of Fashion News. From the Oscars to the Met Gala, she leads the site's entire red carpet coverage strategy. She specializes in celebrity and fashion news but also enjoys writing travel features and runway reports. She frequently contributes to WWW's social accounts and has a sizable following on her personal TikTok.